Method of making complete fuse-strips of safety-fuses.



No. 852,938. PATENTED AUG. 13, 1907 f P. 1). REYNOLDS. METHOD OF MAKINGCOMPLETE FUSE STRIPS OF SAFETY P USES.J

APPLIOATIOH FILED JUNE 16, 1906.

/l l f mi: #lF I f I z [I A a .U rTE STATES PATENT OFFICE.

FRANK D. REYNOLDS, OF HARTFORD, CONNECTICUT, ASSIGNOR TO THE SACHSCOMPANY,

OF HARTFORD, CONNECTICUT,

TH OD OF MAKING COMPLETE FUSE-STRIPS OF SAFETY-FUSES.

. To all whom it may concern: A

Be it known that I, FRANK D. REYNOLDS, a citizen of the United States,residing at Hartford, in the county of Hartford and State ofConnecticut, have invented an Improved Method of Making CompleteFuse-Strips 'fusible metal have commonly been wound around the ends ofterminal wires to connect these parts to-- g eth er, then theconnections thus formed have been soldered or otherwise additionallyconnected both mechanically and electrically, whereupon the parts havebeen placed within the casing of the fuse device and the terminal wiressuitably connected to the terminal members of the two. Due to thesmallness and consequent delicacy of the members forming the completefusestrip of the fuses of this class and to the tendency of these partsto break or rupture upon the slightest cause, great difliculty has beenexperienced both in making rigid connections between the fusible wireand the terminal wires, and in placing the same within the tube andmaking the necessary connections between theterminal wires and the tubeter minals, it being understood that the connections between the fusewire and the wire terminals must be both good and rigid becauseotherwise the efficiency of the fuse device is immediately impaired.

- Now the object of my present invention is to provide an improvedmethod of connecting the fusible wire to the terminal wireswherein theconnections between these parts may be made more rigidly thanheretofore, and with much greater assurance of being permanently rigid,thus saving time in the manufacture of tlie fuse device and alsoproviding a more efficient article.

In carrying out the method of my present invention I first cut up theterminal wires into suitable lengths. I then arrange to securely holdthe said terminal wires at the ends to be joined to the fuse wire; thenI wrap the ends of the fuse wire around the terminal wires: I then drawthe terminal'wires apart through the coils thus-made at the ends of thefuse wire until the ends of the terminal wires come up to the coilsandfI then solder the coiled ends of the fuse wire to the ends of theterminal wires whereupon the-fuse strip is completed and ready to beplaced within the fuse tube and connected to the terminals thereof.

I prefer to cut the ends of the terminal wires so as to Specification ofLetters Patent. Application filed June 15,1906. Serial No. s21,soe.'-

A CORPORATION OF CONNECTICUT.

Patented Aug. 13, 1907.

clamping device serves to simultaneously engage and securely holdthe-adjacent ends of the terminal wires.

- In the drawing, Figure 1 is a perspective view of the ends of the jawsof the clamping device holding the terminal wires in the position inwhich the ends of the fuse wire are wrapped around the same, Fig. 2 isan end view of the jaws of the clamping device illustrating the parts ina similar positionto that shown'in Fig. 1,Fig., 3 is an elevation of theterminal wires. .7 0-

and the fuse wire and the relative positions in which these parts areremoved from the clamping device,

Fig. 4 is a similar view of like parts showing the terminal wireswithdrawn so that their burred ends con tact with the coiled ends of thefuse wire, and Fig. 5 is a longitudinal section offlthe fuse stripinclosed within the casing, all thefigures being shown on a greatlyenlarged scale.

In the drawing a b designate the terminal wires which may be made ofanysuitable conducting material. c d are the ends of the jaws of theclamping device; the width of the jaws of the clamping device beingexactly or approximately the length of the fuse strip 0 which isconnected to the terminal wires a b, and ff I designate end caps whichare adapted to pass over and fit upon the respective ends of thesuitable tubular casing g.

In carrying out my improved method, the adjacent ends of the terminalwires a b are preferably first cut so as to provide small burs 2 thereonand these terminal wires are then placed within the jaws c d of theclampends are in juxtaposition and the terminal wires a b in line withone another. The fuse wire e is then passed between or across the saidjaws and the opposite ends thereof wrapped arormd that portion of theterminal wires a b immediately protruding'from the opposite side of thejaws c d as is indicated in Figs. 1 and'2, or I may first wrap one endof the fuse strip e around that portion of the terminal wire aimmediately protruding from the jaws c d and then the other end of thestrip 0 around the other terminal b after first passing it 'between thejaws c d. I next remove the terminal wires a b and the fuse wire econnected as hereinbefore described from the jaws c d of the clampingdevice and draw the terminal wires a b apart or from one anothernections thus made between the bur-red ends of the ter- 1 10 fuse stripvof safety fuses,'consisting in first securely holdminal wires to form arigid mechanical and electrical joint between these parts. The completefuse strip so made is then adapted to be placed within the tube 9 oi thefuse device and the terminal wires (1 I) connected to ferrules or endcaps f f.

' By my improved method I am enabled to connect both terminal wires tothe fuse strip and properly gage v the length of said strip between theends of the terminals with one handling operation.

I claim as my invent-ion:

1. The method herein specified of making the complete fuse strip ofsafety fuses, consisting in first securely holding the terminal wires atthe ends to be joined to the fuse wire, then wrapping around theterminal wires the ends of the fuse wire and then soldering the wrappedends of the fuse wire to the ends of the terminal wires.

2. The method herein specified of making the complete fuse strip ofsafety fuses, consisting in first simultaneously and securely holdingthe terminal wires at the ends to he joined to the fuse wire, thenwrapping around the terminal wires the ends of the fuse wire and thensolden ing the wrapped ends ofthe fuse wire 'to the ends of the terminalwires.

3. The method herein specified of making the complete ing the terminalwires at the ends to he joined by the fuse wire, then wrapping aroundthe terminal wires the ends of the fuse wire, then drawing apart theterminal wires so that their ends come to .the said wrapped ends, thensoldering the wrapped ends of the fuse wire to the ends of me terminalwires.

-l. The method herein specified of making the complete fuse stripofsafety fuses, consisting in first simultane ously and securely holdingthe terminal wires at the ends to he joined to the fuse wire, thenwrapping around the terminal wires the ends of the fuse-wire, thendrawing apart the terminal wires so that their ends come to thesaidwrapped ends and then soldering the wrapped ends or the fuse wire to theends of the terminal wires.

5. The method herein specified of making the complete fuse strip ofsafety fuses, consisting in first cutting the ends of the terminal wiresto produce burs, then securely holding said terminal wires at the endsto be joined by the fuse wire, then wrapping around the terminal wiresthe ends of the fuse wire and then soldering the Wrapped ends of thefuse wire to the ends of the terminal wires.

ll. The method herein specified of making the complete fuse strip ofsafety fuses, consisting, in first cutting the ends of the terminalwires to produce burs, then securely holding said terminal wircs at theends to he joined to the fuse wire, then wrappius around the terminalwires the ends of the fuse \virc, then drawing apart the terminal wiresuntil their hurl-ed ends come in contact with the said wrapped ends andare arrested thereby, then soldering the wrapped ends of the fuse wireto the ends of the terminal wires.

T. The method herein specified of making the complete fuse strip ofsafety fuses, consisting in first cutting the ends of the terminal wiresto produce burs. then simul taneously and securely holding, the saidterminal wires at the adjacent ends to he joined :o the-fuse wire, thenwrapping around the terminal wires the ends of the fuse wire, thendrawing apart the terminal wires until their ass burred ends conic incontact with and are arrested by the said wrapped ends and thensoldering thewrapped ends of the fuse wire to the ends of the terminalwires.

8. The method herein specified of making the complete fuse strip ofsafely fuses, consisting in taking a jaw clamping device of a widthagreeing with the desired length of the fuse wire, thensimultaneouslyand securely holding the terminal wires at the adjacent ends to bejoined to the fuse wire, then. wrapping around the terminal wires theends of the fuse wire, then drawing the terminal wires apart and thensoldering the wrapped ends of the fuse ,wire to the ends of the terminalwires. I

9. The method herein specified of making the complete fuse-strip ofsafety fuses, consisting in taking a jaw clamping device of a widthagreeing with the desired length of the fuse 'wlre, then cutting theends of the terminal wires to produce burs, then securely holding saidterminal w ires by said clamping deviceat the adjacent ends to be joinedto the fuse wire, then wrapping around the terminal wires the ends ofthe fuse wire, then drawin; apart the terminal wires until their hurredends come in contact with and are arrested by the said wrapped ends,then soldering the wrapped ends of the fuse wire to the ends of theterminal wires. I

10. The method herein specified of melting the complete fuse strip ofsafety fuses, consisting in taking a jaw clamping device of a widthagreeing with the desired length of the fuse wire, then simultaneouslyand securely holding the terminal wires, then wrapping the ends of thefuse wire around the said terminal wires, then drawing the said terminalwires apart and then soldering the wrapped ends of the fuse wire to theterminal wires.

11. The method herein specified of making the complete fuse strip ofsafety fuses, consisting first in taking a jaw clampin f'deyice of awidth agreeing with the desired length of the fuse wire, then cuttingthe end of the ter minal wires to produce burs thereon, then securelyholdin;; said terminal wires by the said clamping device. then wrappingthe ends of the fuse-wire around the terminnl wires, then drawing apartthe terminal wires until their hurred ends come in contact with and arearrested by the said wrapped ends of the fuse wire, and then solderingthe wrapped ends of the fuse wire to the terminal wires.

12. The method herein specified of making thecomplete fuse strip ofsafety fuses consisting in first simultaneously securely holding theterminal wires at the ends to he joined to the fuse wire and gaging thelength of the fuse wire, then wrapping around the terminal wires theends of the fuse wire, then drawing the terminal wires apart and thensoldering the wrapped ends of the fuse wire to the ends of the terminalwires.

13. The method herein specified of making the complete fuse strip ofsafety fuses consisting in first simultaneously securely holding theterminal wires at the ends to he joined to the fuse'wire and gaging thelength of the fuse wire, then wrapping aronnd.the terminal wires theends or the fuse wire, and then soldering the wrapped ends of the fusewire to the ends of the terminhl wires.

Signed by me this 31st day oi. May 1906.

FRANK D. REYNOLDZSl Witnesses JOSEPH SAcHs, Nona J KINGSLEY.

